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SN54LS221

Part Number	SN54LS221
Manufacturer	Motorola Inc
Description	DUAL MONOSTABLE MULTIVIBRATORS
Published	Apr 16, 2005
Detailed Description	DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS Each multivibrator of the LS221 features a negative-transitio...
Datasheet	SN54LS221 PDF File

Overview

DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS Each multivibrator of the LS221 features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input.
Pulse triggering occurs at a voltage level and is not related to the transition time of the input pulse.
Schmitt-trigger input circuitry for B input allows jitter-free triggering for inputs as slow as 1 volt/ second, providing the circuit with excellent noise immunity.
A high immunity to VCC noise is also provided by internal latching circuitry.
Once triggered, the outputs are independent of further transitions of the inputs and are a function of the timing component...

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